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为弥补聚焦波束形成声图测量方法定位精度受限的不足,提出通过修改声图测量网格及测量频率来实现舰船目标近距离精确定位的方法.海试结果表明,在舰船目标距离直线阵400 m内,定位误差可小于5 m.
In order to make up for the lack of localization accuracy of the focused beamforming sonogram measurement method, a method to locate the target near the ship by modifying the sonogram measurement grid and the measurement frequency is proposed.The results of the sea trial show that when the ship target straight line Within 400 m array, the positioning error can be less than 5 m.